544232640 has 224 divisors, whose sum is σ = 1995586560. Its totient is φ = 123088896.

The previous prime is 544232629. The next prime is 544232653. The reversal of 544232640 is 46232445.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 544232598 and 544232607.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 732109 + ... + 732851.

Almost surely, 2^544232640 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 544232640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (997793280).

544232640 is an abundant number, since it is smaller than the sum of its proper divisors (1451353920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

544232640 is a wasteful number, since it uses less digits than its factorization.

544232640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879 (or 869 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 544232640 is about 23328.7942251630. The cubic root of 544232640 is about 816.4473709860.

The spelling of 544232640 in words is "five hundred forty-four million, two hundred thirty-two thousand, six hundred forty".